This book constitutes the revised selected papers of the 14th International Conference on Critical Information Infrastructures Security, CRITIS 2019, held in Linköping, Sweden, in September 2019.The 10 full papers and 5 short papers presented were carefully reviewed and selected from 30 submissions. They are grouped in the following topical sections: Invited Papers, Risk Management, Vulnerability Assessment, Resilience and Mitigation Short Papers, and Industry and Practical Experience Reports.
